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本文采用金相显微镜、扫描电子显微镜进行组织分析和显微硬度测定等方法 ,研究了锌铝合金基陶瓷复合层激光重熔后的Al2 O3相分布以及和硬度曲线之间的关系 ;并对其形成原因进行了探讨。
In this paper, the distribution of Al 2 O 3 phase and the relationship between the Al 2 O 3 phase and the hardness curve after laser remelting were investigated by means of metallographic microscope, scanning electron microscopy and microhardness test. The formation of the reasons were discussed.